ENGINE AR-COMPLETE 2052642 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     124-2946     Lifting Bracket     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01262841
Use Tooling (A) in order to install rocker arm shaft assembly (2) .
Illustration 2 g01259735
Illustration 3 g03721962
Valve rocker arms and unit injector rocker arms can move on the shaft after the bolts have been removed. The shaft should be kept level when removed from the cylinder head. To avoid possible personal injury, keep fingers clear of the valve rocker arms and the unit injector rocker arms when lifting the assembly from the cylinder head.
Install studs (1) onto rocker arm shaft assembly (2) . Torque studs (1) in the correct order shown. Refer to 3. Tighten studs (1) to a torque of 50 5 N m (37 4 lb ft). Turn the studs by an additional 45 5 degrees.
Adjust the electronic unit injectors. Refer to Testing and Adjusting, "Electronic Unit Injector - Adjust".
Adjust the engine valve lash. Refer to Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust".End By: Install the variable valve actuator. Refer to Disassembly and Assembly, "Valve Actuator (Variable) - Install".